1 Is there a need for standardization of tightening force used to connect the transducer for resonance frequency analysis in determining implant stability? Authors: Débora Barella Salatti*, André Antonio Pelegrine**, Sérgio Gehrke***, Marcelo Lucchesi Teixeira****, Alireza Moshaverinia***** and Peter Karyen Moy****** * DDS - postgraduate student, private practice in Piracicaba, Brazil ** DDS, MD, PhD - Professor and Head, Department of Implant Dentistry, São Leopoldo Mandic Institute and Research Center, Campinas, Brazil *** DDS, MD, PhD – Director and Full Professor of the Biotechnology Department of the Catholic University of Murcia, Murcia, Spain. Director of the Department of Research, Biotecnos Research Center, Montevideo, Uruguay **** DDS, MD, PhD - Professor and Head, Department of Prosthodontics, São Leopoldo Mandic Institute and Research Center, Campinas, Brazil ***** DDS, MD, PhD - Weintraub Center for Reconstructive Biotechnology Division of Advanced Prosthodontics, School of Dentistry, University of California at Los Angeles, Los Angeles, United States ****** DMD – Professor and Director, Dental Implant Center, Department of Oral and Maxillofacial Surgery, University of California at Los Angeles, School of Dentistry, Los Angeles, United States Corresponding author: Peter K. Moy, DMD Address: 11980 San Vicente Blvd., Suite 505 Los Angeles, CA 90049-6603 USA Phone: (310) 820-6691 E-mail: pmoy@dentistry.ucla.edu Submitted October 3, 2018; Accepted February 3, 2019. This peer-reviewed, accepted manuscript will undergo final editing and production prior to publication in JOMI. © 2019 by Quintessence Publishing Co, Inc. Printing of this document is restricted to personal use only. No part may be reproduced or transmitted in any form without written permission from the publisher.